PowerFactory: Functions 1

DIgSILENT PowerFactoryFunctions

PowerFactory: Functions 2

Load Flow/Transmission

Fast and Accurate Load Flow Algorithm (Full Newton Raphson,

Newton-Raphson Current Iteration)

AC and DC Networks (for HVDC Transmission)

Secondary Power-Frequency Control

Primary Control

Secondary Reactive Power-Voltage Control

Load Profiling

P-V Curves

All Types of Sensitivities (dv/dQ, dphi/dP, Branch Sensitivities etc.)

Modal dv/dQ Analysis

PowerFactory: Functions 3

Load Flow/Distribution

Any Type of Network Technology:

Three-Phase,Three-Phase-Four Wire, Two-Phase, Bi-Phase,

Single Wire-Earth Return, DC Networks

Any Type of Network Topology (Meshed and Radial)

Suited for Extremely Large MV Networks (>20000 Bus Bars)

Voltage Profile Diagrams

Stochastic Load Models for Considering Load Diversity in LV

Networks

One- and Two-Dimensional Load Profiles

Feeder Scaling

Open Point Optimization

PowerFactory: Functions 4

Active and Reactive Power

Dispatch

Loss Minimization

Fuel Cost Minimization

Branch Flow Limits

Bus Bar Voltage Limits

Active/Reactive Power Limits

Stator Current Limits

Reserve Constraints

PowerFactory: Functions 5

Short Circuit

Short Circuits According to IEC 60909, ANSI C37 and Complete

Superposition Method

Full Implementation of IEC 60909/2001

Multiple Faults Analysis

Fault Types:

Three-Phase

Two-Phase

Two-Phase to Ground

Single-Phase to Ground

Inter-Circuit (also Between Different Voltage Levels)

Open Conductor

Sliding Faults along Lines

PowerFactory: Functions 6

Stability

Transient and Dynamic

Stability

Highly Accurate Generator

and Load Models

Large Library of Standard

Models

User Defined Modeling

Variable Step Size Algorithm

Easy-to-Use Chart Definition

Interactive Event Definition

Small Signal Analysis (Modal

Analysis)

Simulates

Any Unbalanced Fault Scenario

PowerFactory: Functions 7

Electromagnetic Transients

Detailed Network Model

Transformer Saturation

Transformer Capacitances

Distributed Parameter Line

Models (Constant and

Frequency Dependent)

Detailed (Switching) Power

Electronics Device Models

Easy-to-Use Chart Definition

Interactive Event Definition

Variable Step Size Algorithm

PowerFactory: Functions 8

Overcurrent ProtectionModeling

CT and VT Models

Fuses

OCT-Relays

Directional Relays

Differential Relays

LV Circuit Breakers

Coordination

Selectivity Diagrams

Simulation

Steady State

Time Domain

PowerFactory: Functions 9

Distance ProtectionModeling

CT and VT Models

MHO-Characteristics

Quadrilateral Characteristics

X/R-Blinder

Starting Characteristics

Inter-Tripping Schemes

Coordination

R-X Diagrams

Time-Distance Diagrams

Simulation

Steady State

Time Domain

PowerFactory: Functions 10

Harmonics

Balanced and Unbalanced Harmonic Sources

Characteristic, Non-Characteristic and Inter-Harmonics

Frequency- and Time-Domain Charts

Harmonic Loadflow

Frequency Scan

Frequency Dependent Line

Parameters

Distributed Parameter

Line Models

Filter Sizing

PowerFactory: Functions 11

Reliability

Weibul-Markov Failure Models

Line/Transformer/Bus Bar Failures

Common Mode Failures

Double Earth Faults

Circuit Breaker Failures

Protection Failures

Analytical State Enumeration

Monte Carlo Simulation

Advanced System Restoration Models including Generator

Dispatch and Load Shedding

PowerFactory: Functions 12

DPL (DIgSILENT Programming

Language)

Arithmetic operations, standard functions

Virtual object functions

Logic operations, lLoops: do{��..} while(�)

Alternative: if(�.) then{�.} else{�}

Access to any system parameter

Use of every command

Every command can be used

Definition of result files, creation of plots